The Dold speed monitor is a monitoring relay developed in accordance with the standards IEC/EN 60 255 and DIN VDE 0435-303. This device is designed for the precise detection of under-speed, over-speed, and standstill of machines and systems. It features an adjustable setpoint function that allows the sensitivity of the device to be tailored to the specific requirements of the application. Additionally, the speed monitor has an adjustable start bypass of 1 to 20 seconds, ensuring flexible handling under varying operating conditions. With an input voltage of 230 volts and an output current type of AC, this product is intended for use in industrial applications. Manufactured in Germany, the Dold speed monitor provides a reliable solution for monitoring speeds and contributes to the safety and efficiency of machine operations.